[apjana]

Also, here's the source from musl (somewhat similar to what we have)

https://github.com/ifduyue/musl/blob/79f653c6bc2881dd6855299...

[saagarjha]

Yeah, musl just vectorizes mildly using when certain GNU C extensions are available. Presumably Rich didn’t want to write out another version in assembly. (It really is a shame that strncpy returns dest.)